DE8902377U1 - Clamp pliers with non-slip surface for mechanical pencils - Google Patents
Clamp pliers with non-slip surface for mechanical pencilsInfo
- Publication number
- DE8902377U1 DE8902377U1 DE8902377U DE8902377U DE8902377U1 DE 8902377 U1 DE8902377 U1 DE 8902377U1 DE 8902377 U DE8902377 U DE 8902377U DE 8902377 U DE8902377 U DE 8902377U DE 8902377 U1 DE8902377 U1 DE 8902377U1
- Authority
- DE
- Germany
- Prior art keywords
- slip surface
- clamping pliers
- mechanical pencils
- clamping
- clamp pliers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000576 coating method Methods 0.000 claims description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 229910001229 Pot metal Inorganic materials 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K21/00—Propelling pencils
- B43K21/02—Writing-core feeding mechanisms
- B43K21/22—Writing-cores gripping means, e.g. chucks
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Description
BeschreibungDescription
Die Erfindung betrifft eine Klemmzange für Füllbleistifte nach dem Oberbegriff des Hauptanspruchs.The invention relates to a clamping pliers for mechanical pencils according to the preamble of the main claim.
Derartige Klemmzangen sind bekannt. Es wurde vielfach versucht, Klemmzangen für Füllbleistifte rutschhemmend auszustatten. Das DE-Gm &Pgr; 34 132 z.B. zeigt eine innere Oberfläche die zur besseren Klemmung mit einem Gewinde und Sägezähnen ausgestattet ist. Solche Klemmzangen wurden aus Messing hergestellt, wobei die Gewinde eingeschnitten wurden, oder aus Zinkdruckguß, bzw. Kunststoff gespritzt. Diese relative weichen Materialien wurden rasch abgenutzt und der rutschhemmende Effekt verschwand.Such clamps are well known. Many attempts have been made to make clamps for mechanical pencils slip-resistant. DE-Gm &Pgr; 34 132, for example, shows an inner surface that is equipped with a thread and saw teeth for better clamping. Such clamps were made from brass, with the threads being cut into it, or from die-cast zinc or injection-molded plastic. These relatively soft materials were quickly worn out and the slip-resistant effect disappeared.
Es hat auch den Vorschlag gegeben, Kunststoffe mit speziellen Füllstoffen zu versehen und für Klemmzangen zu verwenden. Die japanische Gebrauchsmusterauslegung Sho-58-30718 offenbart eine solche Ausführung. Der Kunststoffkörper ist hier mit anorganischem Material wie Glasfasern und dergleichen gefüllt. Nachteilig an diesem Vorschlag ist, daß Verbundmaterialien schwieriger zu verarbeiten sind und daß die gesamte Klemmzange aus diesem teureren Material besteht.There has also been a proposal to add special fillers to plastics and use them for clamps. The Japanese utility model Sho-58-30718 discloses such a design. The plastic body is filled with inorganic material such as glass fibers and the like. The disadvantage of this proposal is that composite materials are more difficult to process and that the entire clamp is made of this more expensive material.
Aufgabe der Erfindung ist es daher, Klemmzangen derart rutschhemmend zu gestalten, daß vergleichsweise preiswerte Materialien eingesetzt werden können, wobei sich die Oberfläche, sofern sie profiliert ist, nicht abnutzt.The object of the invention is therefore to design clamping pliers in such a way that they are slip-resistant so that comparatively inexpensive materials can be used, whereby the surface, if it is profiled, does not wear out.
Diese Aufage wird mit den kennzeichnenden Merkmal des Hauptanspruchs gelöst.This problem is solved with the characterizing feature of the main claim.
Überraschend hat sich gezeigt, daß Klemmzangen, die mit einemSurprisingly, it has been shown that clamping pliers that are equipped with a
Oberzug aus Nickel, Chrom, Titan oder deren Verbindungen wie TiC, TiN, CrC usw. versehen sind, hervorragende rutschhenraiende Eigenschaften haben und auch nicht verschleißen. Wird ein derartiger Überzug auf profilierte Oberflächen aufgetragen, wird darüberhinaus die Abnutzung dieser Profilierung minimiert.Coatings made of nickel, chromium, titanium or their compounds such as TiC, TiN, CrC etc. have excellent anti-slip properties and do not wear out. If such a coating is applied to profiled surfaces, the wear of this profile is also minimized.
Es wird dadurch möglich, Klemmzangen in einfachen Verfahren aus preiswertem Material wie Kunststoff oder Zinkdruckguß herzustellen und anschließend in kostengünstigen Verfahren mit rutschhemmenden und verschleißfesten Oberflächen zv versehen.This makes it possible to produce clamps using simple processes from inexpensive materials such as plastic or die-cast zinc and then to provide them with anti-slip and wear-resistant surfaces using cost-effective processes.
Als Verfahrung zur Herstellung erfindungsgemäß beschichteter Klemmzangen eignen sich die bekannten Methoden der Schmelztauchbeschichtung, des Vakuum-AufdampfVerfahrens, der elektrolytischen oder galvanischen Beschichtung, des Aufspritzens, der Diffusionsbeschichtung u.a.The known methods of hot-dip coating, vacuum vapor deposition, electrolytic or galvanic coating, spraying, diffusion coating, etc. are suitable as processes for producing clamping pliers coated according to the invention.
Fig. 1 stellt eine erfindungsgemäße Klemmzange dar. Hier handelt es sich um eine Hälfte einer zweiteiligen Klemmzange. Sie besteht aus Kopfteil 1, Schaft 2, und Klemmkonusteil 3. Auf der Innenseite der Klemmzange läuft eine Minenzuführrille 4, die in eine Klemmzone 5 übergeht. Erfin^ungsgemäß kann die Klemmzange ganz, oder auch nur im Bereich des Klemmkonusteils 3, oder ausschließlich im Bereich der Klemmzone 5 beschichtet werden.Fig. 1 shows a clamping pliers according to the invention. This is one half of a two-part clamping pliers. It consists of head part 1, shaft 2, and clamping cone part 3. On the inside of the clamping pliers there is a lead feed groove 4 which merges into a clamping zone 5. According to the invention, the clamping pliers can be coated completely, or only in the area of the clamping cone part 3, or exclusively in the area of the clamping zone 5.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE8902377U DE8902377U1 (en) | 1989-03-01 | 1989-03-01 | Clamp pliers with non-slip surface for mechanical pencils |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE8902377U DE8902377U1 (en) | 1989-03-01 | 1989-03-01 | Clamp pliers with non-slip surface for mechanical pencils |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE8902377U1 true DE8902377U1 (en) | 1990-04-05 |
Family
ID=6836508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8902377U Expired - Lifetime DE8902377U1 (en) | 1989-03-01 | 1989-03-01 | Clamp pliers with non-slip surface for mechanical pencils |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE8902377U1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6225707B1 (en) * | 1997-12-09 | 2001-05-01 | Siemens Aktiengesellschaft | Firing circuit and method of operating the circuit |
-
1989
- 1989-03-01 DE DE8902377U patent/DE8902377U1/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6225707B1 (en) * | 1997-12-09 | 2001-05-01 | Siemens Aktiengesellschaft | Firing circuit and method of operating the circuit |
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